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Finding the Fourth Proportional to 795,797.12, 1,193,345.44 and 421,732.48

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Solution

The fourth proportional to 795,797.12, 1,193,345.44 and 421,732.48 is: 632,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,797.12 : 1,193,345.44 = 421,732.48 : x
  2. Step 2: Convert to fraction form
    795,797.12/1,193,345.44 = 421,732.48/x
  3. Step 3: Cross multiply
    795,797.12x = 1,193,345.44 × 421,732.48
  4. Step 4: Simplify right side
    795,797.12x = 503,272,531,907.89
  5. Step 5: Solve for x
    x = 503,272,531,907.89/795,797.12
  6. Step 6: Final answer
    x = 632,413.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.